daltonism

noun:
Color blindness, especially the inability to distinguish between red and
green.

ETYMOLOGY:

After John Dalton (1766-1844), chemist and physicist, who gave us Dalton's
Law of Partial Pressures. He studied his own color blindness as well.

USAGE:

"Theodore R. Weeks refers to 'national daltonism: the extreme difficulty
nationalists had... in perceiving and appreciating the viewpoints or
needs of members of other nationalities."
Stephen D. Corrsin; Nation and State in Late Imperial Russia;
Canadian Slavonic Papers (Ottawa); Sep-Dec 1999.